1700th anniversary: Pappus of Alexandria, one of the last great Greek mathematicians of antiquity,...
History · Anniversaries · Sun, October 18, 2020
320: Pappus of Alexandria, one of the last great Greek mathematicians of antiquity, observed an eclipse that allowed historians to calculate the approximate dates of his life.
Also on Oct 18, 2020
| Date | Event | When |
|---|---|---|
| Sun, Oct 18, 2020 | Birth of the Bab | 6 yr ago |
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 1700 years (320 to 2020).
- Recurs
- annual
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- Changes
- 2026-09-25: added to 2020-10-18